16 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
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Figure 1.—Chimarra brasiliana: a, male genitalia, lateral; b, eighth tergum, dorsal; c, 
genitalia, ventral. Mexitrichia albolineata: d, male genitalia, lateral. Polyplectropus 
flavicornis: e, male genitalia, lateral; f, female genitalia, ventral. P. annulicornis: g, 
male genitalia, lateral; 4, female genitalia, ventral. Xiphocentron bilimeki: i, male 
genitalia, lateral; 7, male, dorsal. 
